If you shaved your beard with a straight razor, you'd say the razor worked. That doesn't mean it won't cut your throat
Thoros isn't here anymore, so I hope you're not about to give a sermon. Because if you are, the Lord of Light's gonna wonder why he brought you back 19 times just to watch you die when I chuck you over this wall.
You've got real powerful magic to figure that out. Did the Lord of Light whisper that in your ear? "It's snowing, Thoros. It's windy. It's gonna be a cold night."
How many Starks they got to behead before you figure it out?